Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tetsuo Watanabe | Ricoh Company | 9 |
| 2 | Kenji Taniguchi | Kawano Paper Co. | 2 |
| 3 | Hideki Mochiki | Mikasa Sangyo Co. | 1 |
| 3 | Asami Matsumoto | Itoham Foods | 1 |
| 3 | Takanari Tanaka | Sekisui Chemical Co. | 1 |
| 3 | Toshitaka Yoshitake | Sekisui Chemical Co. | 1 |